Home / 198,039.66-296,629.20-121,906.14

Finding the Fourth Proportional to 198,039.66, 296,629.20 and 121,906.14

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Solution

The fourth proportional to 198,039.66, 296,629.20 and 121,906.14 is: 182,594.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,039.66 : 296,629.20 = 121,906.14 : x
  2. Step 2: Convert to fraction form
    198,039.66/296,629.20 = 121,906.14/x
  3. Step 3: Cross multiply
    198,039.66x = 296,629.20 × 121,906.14
  4. Step 4: Simplify right side
    198,039.66x = 36,160,920,783.29
  5. Step 5: Solve for x
    x = 36,160,920,783.29/198,039.66
  6. Step 6: Final answer
    x = 182,594.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.